On Thursday, 21 March 2019 at 19:38, Yufei He wrote: > Hi > > On transcoding from 1080p .ts files to .mp4 files with my m264 codec, > audio of the output .mp4 files stutters. > > We found audio of the stuttering files is vbr. > > I did not set aac encoding bitrate. somehow it becomes vbr when I use my > m264 codec on transcoding 1080p files. > > It works well for 1080i .ts files and all .mp4 and .mov files, and aac > audio of the output files is cbr. > > So the problem is why aac encoding becomes vbr. > > Command I use is: > > ./ffmpeg -i TS/TSv2m2641080p30mcbr.tsĀ -vsync 0 -vcodec m264 -b:v 10M > 8_ff.mp4
THis is not a question related to development of FFmpeg but a question about FFmpeg usage, therefore it belongs to the ffmpeg-user mailing list: https://lists.ffmpeg.org/mailman/listinfo/ffmpeg-user/ Please post such questions there in the future as they're off-topic here. Regards, Dominik -- Fedora https://getfedora.org | RPM Fusion http://rpmfusion.org There should be a science of discontent. People need hard times and oppression to develop psychic muscles. -- from "Collected Sayings of Muad'Dib" by the Princess Irulan _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".